Ohhhh, in many ways.
WW1:
The sinking of merchant ships.
The sinking of civilian ships.
The bombing of civilian populations.
WW2:
The inhumane murdering of civilians.
The inhumane treating of civilians.
The inhumane testing of civilians.
Hope this Helps! :)
An organ is a structure composed of two to four types of tissues working to perform functions that are beyond the scope of an individual tissue type. A set of related organs working cooperatively toward the performance of even more complex functions constitutes an organ system.